While the younger girls practiced, Apinks Namjoo herself entered the practice room. After closely observing their performance, she praised Bae Eun Young, the student in charge of her part and gave the team helpful tips.

“As there are only four episodes left until the finale and they are the most important, including the final exams and the selection of the members who will debut, the show has been moved to prime time.”

On the September 8 broadcast ofMnet's 'Idol School',PRISTIN made a surprise appearance on the show and shared a helpful tip with the trainees!

The episode consisted of the students visiting thePledis Entertainment building, and the girls couldn't help but beam as they saw PRISTIN entering the rehearsal studio.

SEE ALSO: PRISTIN goes 'dudududududu' for the 'In' version of "We Like" dance practice

Regarding how to dance their "WEE WOO" choreography, "If you dance after deciding on a concept, the expressions will come naturally." PRISTIN also added, "We became attached to them... We're somewhat envious of the fact that they get to debut in 11 weeks, and this is coming from a group who trained for a long period of time."